I siobSstartdate, siobSperiod,
_RL siobSperiod
& siobSperiod, siobSstartdate,
IF ( siobSperiod .GT. 0 ) THEN
& siobSstartdate1, siobSstartdate2, siobSperiod,
siobSperiod = UNSET_RL
IF(siobSperiod .EQ.UNSET_RL) siobSperiod = obcsSperiod